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1999 pontiac sunfire rough idle ets light on - Sunfire Pontiac Cars & Trucks

Posted by Anonymous on

6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

chiquititas
  • 1010 Answers

SOURCE: 1999 pontiac sunfire will not start

Maybe the starter is not notify to the engine.

Posted on Jun 17, 2008

SOURCE: 1998 Sunfire rough running (missfire) common causes?

check the coils my 98 had a crack coil that drove me nuts. If thats the problem make sure you replace both ignition coils

Posted on Jun 18, 2008

virgils
  • 39 Answers

SOURCE: 1997 Potiac sunfire

I would check the codes first, with OBDII systems the codes will give you a good idea of what my be doing it, the ETS off is your Electronic Traction-control System, either you have the emergency brake pulled up or it is a seperate issue,

things that may cause your symptoms are,
bad fuel pump-check fuel pressure,
bad MAPS-running the codes should show you if it is but you can also do a diagnostic test
misfire-same as the MAPS, codes will let you know which cylinder then it would be a matter of replacing spark plug and wire(I can't stress enough on getting high quality plugs and wires), if that does not fix the misfire then a compression test is in order
bad coil pack(s)-misfires on two cylinders that are on the same pack, sorry but I do not remember which cylinders are fired by which pack but if you follow the plug wires over to the pack you will see,
vacuum leak-hard to identify but may also have something to do with your ETS light, check the booster vacuum hose for cracks
bad IAC-again the codes should tell you but they may not,


there is the points that I would start off with, I hope that I have been helpful

Posted on Oct 11, 2008

  • 4 Answers

SOURCE: pontiac sunfire gt idle rate..

Hi if you have the metal intake there is a torx screw adjustment behind the plastic cover for throttle cable. in = more idle rpm and out =less rpm hope this helps


Ray

Posted on Dec 23, 2008

  • 1608 Answers

SOURCE: Engine oil type and capacity for 1999 Pontiac Sunfire SE

You did not specify the engine size but I looked them both up.They take 5w-30 and both take 4 qts.Hope this helps.

Posted on Mar 14, 2010

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2000 pontiac sunfire starts only when gas pedal is held to floor, idles rough and white smoke comming to exhaust changed IAC valve..no change


If you have excessive white smoke coming from the vehicles exhaust, it sounds like your headgasket is failing. Especially having a rough idle too. Check your coolant level, does your exhaust smoke smell sweet, like Antifreeze? If so, the gasket has blown. Hope this helps...

Mar 12, 2011 | 2000 Pontiac Sunfire

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99 sunfire rough idol and sputters and jerks when taking off fromn a stop light.


Hi and welcome to FixYa!

You definitely have a faulty MAF (mass air flow) sensor. The MAF controls the idle of the car that when it's faulty an erratic idle may occur. You may even end up stalling during take off so have the MAF replaced. It is located on the throttle body.

Hope this helps and thank you for using FixYa! Have a good one!

Mar 02, 2011 | 1999 Pontiac Sunfire

1 Answer

Ets light on. does not respond to thumb switch.


under the hood youll find a fuze box, there is a yellow 20 amp fuze blowm. it will be in a row of two towards the firewall. believe it is the one one the left.

Jul 22, 2010 | 1998 Pontiac Sunfire

2 Answers

1997 Potiac sunfire


I would check the codes first, with OBDII systems the codes will give you a good idea of what my be doing it, the ETS off is your Electronic Traction-control System, either you have the emergency brake pulled up or it is a seperate issue,

things that may cause your symptoms are,
bad fuel pump-check fuel pressure,
bad MAPS-running the codes should show you if it is but you can also do a diagnostic test
misfire-same as the MAPS, codes will let you know which cylinder then it would be a matter of replacing spark plug and wire(I can't stress enough on getting high quality plugs and wires), if that does not fix the misfire then a compression test is in order
bad coil pack(s)-misfires on two cylinders that are on the same pack, sorry but I do not remember which cylinders are fired by which pack but if you follow the plug wires over to the pack you will see,
vacuum leak-hard to identify but may also have something to do with your ETS light, check the booster vacuum hose for cracks
bad IAC-again the codes should tell you but they may not,


there is the points that I would start off with, I hope that I have been helpful

Oct 11, 2008 | 1997 Pontiac Sunfire

2 Answers

Pontiac sunfire gt idle rate..


Hi if you have the metal intake there is a torx screw adjustment behind the plastic cover for throttle cable. in = more idle rpm and out =less rpm hope this helps


Ray

Jul 08, 2008 | 1998 Pontiac Sunfire

2 Answers

1998 Sunfire rough running (missfire) common causes?


if check engine light comes on may be crank position sensor or ur injectors r clogged try some chevron injector cleanor it helps when injectors clogged makes it run smoother

Jun 16, 2008 | 2003 Pontiac Sunfire

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